Sea crabs raised in Ca Mau mass die
Sea crabs combined in shrimp farming from many households in Nam Can, Dam Doi and Ngoc Hien districts died unexpectedly, with 30-100% damage.
On the afternoon of March 21, Mr. Du Minh Hung, Secretary of the Nam Can district, confirmed that the state of the dead crab in the shrimp square happened about a month ago. “The damage rate is quite large, 60-70%, many farm households lost everything,” Hung said, adding that the district coordinated with the functional department to investigate, take samples for testing, find the cause and fix it. .
Preliminary statistics, Nam Can district has about 15,000 hectares of combined crab cultivation in shrimp plots, with a yield of 5,000-6,000 tonnes per year. Currently, most crab-cultivating areas have unusually high mortality rates.
Many people imagine that the cultivated crabs develop normally, until about 4-5 months (about to harvest) suddenly die under the square. Many other fish are weak, when removed 10-20 minutes, die, the meat is uncertain, not tasty.
Faced with the above situation, the Chair of the Ca Mau provincial People’s Committee asked the Ministry of Agriculture and Rural Development to lead and coordinate with the Science and Technology Department, the Southern Song Hau Fisheries Research Sub-Institute, and the People’s Committee. of these areas to promptly examine, review, determine the cause and take corrective action.
In the dry season of 2021, sea crabs kept in the district also died en masse. After taking samples, the functional department determined that the crabs died from infection with the Sacculina parasite.
Ca Mau crab is a famous and delicious specialty, costing from a few hundred thousand to a million dong per kilogram, depending on the breed and the time of day.
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at Blogtuan.info – Source: vnexpress.net – Read the original article here
